Electronic construction techniques

Sinusoid rotary position encoders - RPE3-8 and RPE3-635. 4-20mA output

Sinusoid releases 2 new rotary encoders - RPE3-8 and RPE3-635. Both have 4-20mA current output and a wide voltage supply range of 12-28V. RPE3-8 and RPE3-635 rotary encoders with 4-20mA current  output.
Published on Thu, 02 Jun 2016 13:01

New range of rotary encoders available from Sinusoid

Sinusoid Pty Ltd has just released new range of its rotary encoders. They offer 10 bit resolution and come in several output formats. These are based on contactless magnetic encoder chips from Austriamicrosystems.
Rotary Encoder analog

Manufactured in rugged anodised aluminium and built with dual ball bearings they offer high speed continuous rotation up to 7500rpm.

There is a v-ring seal which provides IP50 ingress protection for speeds up to 3000rpm.

Published on Thu, 20 Sep 2012 05:12

New Audio Kit demonstration video

Dailyappshow have just shot a video demonstrating the features of Sinusoid’s Audio Kit app for iOS devices.

See it on the Dailyappshow website or on Youtube.


App Store Badge En 188 65

Audio Kit is now at release version 1.5

The App includes the following tools:

  • A real time Spectrum Analyser
  • Scope – an oscilloscope to display waveforms
  • an SPL (sound pressure level) Meter
  • and a sine wave Signal Generator
Published on Sat, 20 Aug 2011 11:51

Sinusoid rotary position encoders - RPE1, RPE2

Update: New all aluminium encoders have been release in July 2012.
See the Sinuoid site for details.

Sinusoid Pty Ltd has just released a range of rotary position encoders. These are based on contactless magnetic encoder chips from Austriamicrosystems. Sinusoid rotary positional sensors RPE1, RPE2



Manufactured with a rugged Delrin body and built with dual ball bearings they offer full continuous rotation up to 6000rpm. There is a v-ring seal

Published on Mon, 02 Nov 2009 22:33

Printed Circuit Board production for prototypes - Toner transfer method

Printed circuit boards using toner transfer method.

While there are many sites on the web describing the toner transfer method of circuit board manufacture, none of them worked exactly as I wanted. The following is the method I have perfected to suit my needs for one off prototyping. (PCB toner transfer method)

IMG_1884

Published on Fri, 30 Jun 2006 23:24

eZ430-F2013 Development tool

This looks like a unique development tool by Texas. Containing a development platform for an MSP430F2013 on what looks like a USB memory stick.


It is self contained, deriving its power from the USB bus, and has a removable target device board.


TI are offering it for $20 USD including software.


MSP430 development on a USB stick

Published on Mon, 27 Feb 2006 00:18

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